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About This Item

 

Full Description

This document establishes methods for:

°°°°°°° validating equipment used to prepare secondary calibration suspensions for automatic particle counters;

°°°°°°°°° performing online secondary calibration of automatic particle counters;

°°°°°°°°° matching two or more online particle counters, i.e. to count the same number of particles at a given size by two APCs associated online;

°°°°°°°°° validating online particle counting systems with and without online dilution as used, for example, to measure the filtration efficiency of a hydraulic filter as described in the multi-pass filter test in ISO 16889.

 

Document History

  1. ISO 11943:2021

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    Hydraulic fluid power - Online automatic particle-counting systems for liquids - Methods of calibration and validation

    • Most Recent
  2. ISO 11943:2018


    Hydraulic fluid power - Online automatic particle-counting systems for liquids - Methods of calibration and validation

    • Historical Version
  3. ISO 11943:1999


    Hydraulic fluid power -- On-line automatic particle-counting systems for liquids -- Methods of calibration and validation

    • Historical Version